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1da177e4 LT |
1 | #ifndef __CODA_PSDEV_H |
2 | #define __CODA_PSDEV_H | |
3 | ||
4 | #define CODA_PSDEV_MAJOR 67 | |
5 | #define MAX_CODADEVS 5 /* how many do we allow */ | |
6 | ||
7 | #define CODA_SUPER_MAGIC 0x73757245 | |
8 | ||
9 | struct kstatfs; | |
10 | ||
11 | struct coda_sb_info | |
12 | { | |
13 | struct venus_comm *sbi_vcomm; | |
14 | }; | |
15 | ||
16 | /* communication pending/processing queues */ | |
17 | struct venus_comm { | |
18 | u_long vc_seq; | |
19 | wait_queue_head_t vc_waitq; /* Venus wait queue */ | |
20 | struct list_head vc_pending; | |
21 | struct list_head vc_processing; | |
22 | int vc_inuse; | |
23 | struct super_block *vc_sb; | |
24 | }; | |
25 | ||
26 | ||
27 | static inline struct coda_sb_info *coda_sbp(struct super_block *sb) | |
28 | { | |
29 | return ((struct coda_sb_info *)((sb)->s_fs_info)); | |
30 | } | |
31 | ||
32 | ||
33 | /* upcalls */ | |
34 | int venus_rootfid(struct super_block *sb, struct CodaFid *fidp); | |
35 | int venus_getattr(struct super_block *sb, struct CodaFid *fid, | |
36 | struct coda_vattr *attr); | |
37 | int venus_setattr(struct super_block *, struct CodaFid *, struct coda_vattr *); | |
38 | int venus_lookup(struct super_block *sb, struct CodaFid *fid, | |
39 | const char *name, int length, int *type, | |
40 | struct CodaFid *resfid); | |
41 | int venus_store(struct super_block *sb, struct CodaFid *fid, int flags, | |
42 | vuid_t uid); | |
43 | int venus_release(struct super_block *sb, struct CodaFid *fid, int flags); | |
44 | int venus_close(struct super_block *sb, struct CodaFid *fid, int flags, | |
45 | vuid_t uid); | |
46 | int venus_open(struct super_block *sb, struct CodaFid *fid, int flags, | |
47 | struct file **f); | |
48 | int venus_mkdir(struct super_block *sb, struct CodaFid *dirfid, | |
49 | const char *name, int length, | |
50 | struct CodaFid *newfid, struct coda_vattr *attrs); | |
51 | int venus_create(struct super_block *sb, struct CodaFid *dirfid, | |
52 | const char *name, int length, int excl, int mode, | |
53 | struct CodaFid *newfid, struct coda_vattr *attrs) ; | |
54 | int venus_rmdir(struct super_block *sb, struct CodaFid *dirfid, | |
55 | const char *name, int length); | |
56 | int venus_remove(struct super_block *sb, struct CodaFid *dirfid, | |
57 | const char *name, int length); | |
58 | int venus_readlink(struct super_block *sb, struct CodaFid *fid, | |
59 | char *buffer, int *length); | |
60 | int venus_rename(struct super_block *, struct CodaFid *new_fid, | |
61 | struct CodaFid *old_fid, size_t old_length, | |
62 | size_t new_length, const char *old_name, | |
63 | const char *new_name); | |
64 | int venus_link(struct super_block *sb, struct CodaFid *fid, | |
65 | struct CodaFid *dirfid, const char *name, int len ); | |
66 | int venus_symlink(struct super_block *sb, struct CodaFid *fid, | |
67 | const char *name, int len, const char *symname, int symlen); | |
68 | int venus_access(struct super_block *sb, struct CodaFid *fid, int mask); | |
69 | int venus_pioctl(struct super_block *sb, struct CodaFid *fid, | |
70 | unsigned int cmd, struct PioctlData *data); | |
71 | int coda_downcall(int opcode, union outputArgs *out, struct super_block *sb); | |
72 | int venus_fsync(struct super_block *sb, struct CodaFid *fid); | |
726c3342 | 73 | int venus_statfs(struct dentry *dentry, struct kstatfs *sfs); |
1da177e4 LT |
74 | |
75 | ||
76 | /* messages between coda filesystem in kernel and Venus */ | |
77 | extern int coda_hard; | |
78 | extern unsigned long coda_timeout; | |
79 | struct upc_req { | |
80 | struct list_head uc_chain; | |
81 | caddr_t uc_data; | |
82 | u_short uc_flags; | |
83 | u_short uc_inSize; /* Size is at most 5000 bytes */ | |
84 | u_short uc_outSize; | |
85 | u_short uc_opcode; /* copied from data to save lookup */ | |
86 | int uc_unique; | |
87 | wait_queue_head_t uc_sleep; /* process' wait queue */ | |
88 | unsigned long uc_posttime; | |
89 | }; | |
90 | ||
91 | #define REQ_ASYNC 0x1 | |
92 | #define REQ_READ 0x2 | |
93 | #define REQ_WRITE 0x4 | |
94 | #define REQ_ABORT 0x8 | |
95 | ||
96 | ||
97 | /* | |
98 | * Statistics | |
99 | */ | |
100 | ||
101 | extern struct venus_comm coda_comms[]; | |
102 | ||
103 | #endif |